CN101830181A - Multi-effect power module for electric vehicle - Google Patents

Multi-effect power module for electric vehicle Download PDF

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Publication number
CN101830181A
CN101830181A CN201010000606A CN201010000606A CN101830181A CN 101830181 A CN101830181 A CN 101830181A CN 201010000606 A CN201010000606 A CN 201010000606A CN 201010000606 A CN201010000606 A CN 201010000606A CN 101830181 A CN101830181 A CN 101830181A
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module
power plant
retardant
heat
plant module
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CN201010000606A
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CN101830181B (en
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慕雷
李光明
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The invention relates to a multi-effect power module for an electric vehicle, comprising a power module, a heat-insulation flame-retardant module and a shell anti-collision module, wherein the power module as a power source provides stable voltage and power for the electric vehicle; the heat-insulation flame-retardant module consists of a functional foaming body with an integral sealing profiling structure, and the functional foaming body is made of foam material and has the effects of water and moisture prevention, heat preservation and insulation, flame retardance, fire resistance, shock and collision avoidance and electromagnetic radiation prevention; and the shell anti-collision module consists of metal or nonmetal materials which have mechanical strength and heat conductivity. The invention ensures that the components have optimal environment-friendly ecological conditions by using environment-friendly nontoxic materials and components and partial materials can be recycled; and besides, functional parts, such as a heat conducting system and the like, can be conveniently added on the structure because the functional foaming body has the characteristic of convenient secondary processing.

Description

A kind of multi-effect power module of electric vehicle
Technical field
The present invention relates to a kind of power plant module, especially in regard to a kind of multi-effect power module that collects multifunctional integrated electric vehicle such as fire prevention, insulation.
Background technology
Hi cell particularly is widely used in the electric automobiles at industrial circle.Present battery-driven car is owing to use Hi cell as energy reserves and feed system, replaces or part replaces adopting the orthodox car engine of fossil fuel, therefore has the characteristics of remarkable efficient, economy and environmental protection.Hi cell comprises magnesium dry cell, metal-air cell, lithium-non-aqueous electrolytic solution battery, sodium-sulfur battery and lithium high-temperature battery, and zinc-halogen cell of developing, sodium-water battery and lithium-water battery etc.
As shown in Figure 1, be example with lithium-non-aqueous electrolytic solution battery (hereinafter to be referred as lithium cell) commonly used, a lithium cells 1 comprises a pair of positive and negative electrode cell terminal 2.When using as the battery-driven car propulsion source, tens or up to a hundred lithium cells 1 series connection back form the lithium power plant modules, the voltage of lithium power plant module increases to the operating voltage of battery-driven car.The outside need of lithium power plant module encapsulates, and wherein lithium cells 1 is not produced to each other rock.Because lithium cells 1 in-to-in electrolyte has adopted imflammable solvent, if there is high temperature lithium cells 1 outside, pierces through, puncture, scrap metal is communicated with and situation such as vehicle collision takes place, all may cause extruding, form lithium cells 1 inner positive and negative electrode short circuit lithium cells 1.When lithium cells 1 internal short-circuit, can abrupt release go out a large amount of heat, electrolyte heat-producing easily and burning is seethed with excitement until blast.The power plant module of common electrical motor-car includes about the about 50kg of lithium metal, in case the accident of blasting, consequence is with hardly imaginable.
Invention: the electricity cutting security architecture of over-charge of lithium battery with soft shell (application number: 200710090895.2, the applying date: 2007-04-11), disclosed method is an attachment security circuit on lithium cell, but this method only can prevent the blast that the battery acid gassing that causes because of overcharging produces, to since the blast that other reasons causes without any effect.Invention: safe lithium battery case (application number: 200810020116.6, the applying date: 2008-03-25), disclose a kind of leak free lithium cell housing, by safety anti-explosive mechanism being set in the housing side, drain lithium cell because of the pressure that the battery acid gassing produces, reach explosion-proof purpose; Because safety anti-explosive mechanism is provided with a plurality of explosionproof holes in the side of lithium cell housing, cover rupture pressure disc on the explosionproof hole lithium cell and external environment are isolated, will certainly reduce the intensity of housing itself like this, be difficult to reach the crash-proof effect of shock-absorbing.
Summary of the invention
The present invention is directed to the shortcoming and defect that battery protecting apparatus exists in the prior art; a kind of multi-effect power module of electric vehicle is provided; can realize simultaneously that waterproof and dampproof, insulation, fire-retardant anti-fire, shock-absorbing are crashproof, prevent multiple effects such as electromagnetic radiation; can also further realize dustproof and anti-acid and alkali corrosion effect; can be applicable to the protection of lithium cell and other Hi cells, make it be applicable to electric automobiles.
Technical scheme of the present invention is as follows:
A kind of multi-effect power module of electric vehicle is characterized in that: it comprises power plant module, heat-insulating flame-retardant module and the crashproof module of shell; Described power plant module is arranged within the heat-insulating flame-retardant module; Described heat-insulating flame-retardant module is the imitated structure of integral sealing, is made of functional foaming body; The crashproof module of described shell is arranged at outside the described heat-insulating flame-retardant module, is used to strengthen the intensity of described power plant module.
Described heat-insulating flame-retardant module is the integrated formed structure in described power plant module is encapsulated in.
Between described power plant module and the heat-insulating flame-retardant module one deck housing is set.
Described heat-insulating flame-retardant module is divided into main body and loam cake.
The seam of described main body and loam cake seals by hasp, strip of paper used for sealing or bonding mode.
Described functional foaming body is the elastic foam material of two pourable moulding of component, comprises base-material, expansion type flame retardant and intumescent graphite, and its percentage by weight is respectively base-material: 200%, and expansion type flame retardant: 30-50%, intumescent graphite: 5-10%.
Described base-material comprises phenolic modification and derivant, polyurethanes and derivant thereof, silicone and derivant thereof and epoxies and derivant thereof.
Described base-material is density 160kg/m 3The cold curing high resilience skinning formula SPUA of foaming at normal temp.
The expansion multiple of described intumescent graphite is 80 times, 200 times or 400 times, and initial temperature is 150 degree or 200 degree.
The expansion multiple of described intumescent graphite is 200 times, and initial temperature is 150 degree.
The foaming mode of described functional foaming body is single stage method or polymerization in advance.
The crashproof module table finishing coat of described shell is acrylic compounds, organic-silicon-modified class, epoxies and chemically expansible mineral-type.
Described coat thickness is 1mm.
Described coating is provided with the anti-soil finishing paint outward.
The crashproof module of described shell is zincing steel sheet, aluminum alloy steel plate, stainless steel sheet, APS, PC or PP.
Technique effect of the present invention is as follows:
The multi-effect power module of electric vehicle of the present invention comprises power plant module, heat-insulating flame-retardant module and the crashproof module of shell, and wherein power plant module provides stable voltage and power as propulsion source for battery-driven car.The heat-insulating flame-retardant module is that the functional foaming body of the imitated structure of integral sealing constitutes, functional foaming body is a foamed materials, have waterproof and dampproof, insulation, fire-retardant anti-fire, shock-absorbing is crashproof and prevents the effect of electromagnetic radiation, the essence of foamed materials is light porous material, has reduced the weight of integral module; Because foamed materials has low heat transfer property and one-body molded property, make power plant module under optimum temperature, bring into play battery, the best serviceability temperature of storage battery and promote its service life; The crashproof module of shell is made of metal with mechanical strength and permeability of heat or non-metallic material.The crashproof module of shell surface scribbles can fire-retardant anti-fire and the coating of anti-acid and alkali corrosion; therefore the crashproof module of shell has outside the function that protection power plant module and heat-insulating flame-retardant module avoid clashing into; can also avoid the external corrosion material to invade the inside of the crashproof module of shell, prevent that effectively power plant module and heat-insulating flame-retardant module are contaminated.Material used in the present invention and formation are the product of environment-protecting asepsis, make its composition possess optimum environmental protection ecological condition, and the part material is recyclable.In addition, because functional foaming body has the characteristic of conveniently carrying out secondary processing, therefore can on structure of the present invention, add easily as functional parts such as heat-conducting systems.
Description of drawings
Fig. 1 is the scheme drawing of lithium cells
Fig. 2 is the structural representation of apparatus of the present invention
Each label lists as follows among the figure:
The 1-battery unit; The 2-cell terminal; 3-heat-insulating flame-retardant module; The crashproof module of 4-shell.
The specific embodiment
The present invention will be described below in conjunction with accompanying drawing.
As shown in Figure 2, the multi-effect power module of electric vehicle of the present invention is a three-decker, is divided into the crashproof module 4 of power plant module, heat-insulating flame-retardant module 3 and shell from the inside to the outside.Wherein power plant module is composed in series by a plurality of battery cells 1, for battery-driven car provides stable voltage and power.Heat-insulating flame-retardant module 3 is the functional foaming body of integral sealing, and this functional foaming body is one-body molded according to the shape of power plant module, and can reprocess as required.The typing of heat-insulating flame-retardant module 3 is finished by mould, therefore can make power plant module is encapsulated in interior integrative-structure.For making things convenient for the follow-up service work of multi-effect power module, heat-insulating flame-retardant module 3 also can be divided into main body and loam cake two parts, and the seam of main body and loam cake can seal by modes such as hasp, strip of paper used for sealing or bondings.Only need before the maintenance main body and loam cake are disassembled, battery unit 1 wherein can be taken out afterwards and change, carry out encapsulation process in main body and the two-part seam of loam cake after maintenance is finished, take reinforcement measure to reinforce again and get final product.The positive and negative electrode lead-in wire and the heat-conducting system of power plant module stretch out by the duct that is provided with on heat-insulating flame-retardant module 3, be connected with external device on demand, but the heat-insulating flame-retardant module 3 whole maintenance sealing states that need.
The crashproof module 4 of shell is arranged on the outermost layer of multi-effect power module, and its material can be metal or the non-metallic material with the crashproof effect of shock-absorbing and good heat conductive performance, with protection in-to-in power plant module and heat-insulating flame-retardant module 3.The material of the crashproof module 4 of shell can be as metal species material zincing steel sheet, aluminium alloy plate, stainless steel sheet, or engineering plastics ABS, PC, PP etc., according to the use specification of power plant module and design standard and decide, make through modes such as die process or ejection formation, moulding by casting.According to power plant module heat-dissipation needs, on the surgery system 3 ventilation and heat equipment such as breather port and fan can be set, in conjunction with the heat-conducting system on the power plant module, make multi-effect power module of the present invention have good thermal diffusivity, thus extending battery life.The surface of the crashproof module 4 of shell is provided with has the coating of fire-retardant anti-fire and anti-acid and alkali corrosion; under the condition that does not increase crashproof module 4 thickness of shell and weight; increased protection, the functional of multi-effect power module improved greatly power plant module and heat-insulating flame-retardant module 3.The outer dirty finishing paint of commercial anti of selecting for use of coating is coated with, and reaches effect dustproof, antifouling and attractive in appearance.
In order further to improve the crashproof effect of shock-absorbing of power plant module, between power plant module and heat-insulating flame-retardant module 3, the housing that one deck has certain intensity is set, can play battery unit 1 like this and support and fixing effect, and can further place the influence that battery unit 1 is clashed into and vibrates.
The functional foaming body of heat-insulating flame-retardant module 3 is the flexible foam of two pourable moulding of component, according to required different size, specification, shape, prepares different proportioning components, moulding by casting after making forming mould.The composition of functional foaming body comprises base-material, expansion type flame retardant and intumescent graphite, and its content (percentage by weight) is respectively base-material: 200%, and expansion type flame retardant: 30-50%, intumescent graphite: 5-10%.Wherein, base-material is phenolic modification and derivant thereof, polyamine esters and derivant thereof; Silicone and derivant thereof, epoxies and derivant thereof etc.Above-mentioned base-material is commercially available, and required proportioning composition provides after all can being consulted by supplier.Expansion type flame retardant is selected chemically expansible fire retardants such as commercially available Exolite422, Closite for use, and it is the 30-50% weight ratio that the best inserts composition, cooperates the mutual synergistic of intumescent graphite of 5-10% weight ratio again, can reach the fire-retardant condition of oxygen index (OI) L.O.I value 34.But the present invention's fiting chemical expanding fire retardant uses the expansible graphite of different expansion multiples and initial temperature, and the expansion multiple of expansible graphite comprises 80 times, 200 times or 400 times, and initial temperature comprises 150 ℃, 200 ℃.The foaming mode of functional foaming body is single stage method or polymerization in advance, implements the foaming and molding processing step.
The coating on the crashproof module of shell 4 surfaces can be used commercially available expansion type steel structure fire-proof, anticorrosive paint, and fire resistance period was determined in conjunction with coat thickness according to the anti-fiery standard testing time of this coating form approval.The coating that reaches the different size demand can be the acrylic compounds or the organic-silicon-modified class of chemically expansible type, the epoxies of chemical physics compound type, and chemically expansible type mineral-type etc., above-mentioned fire-retardant paint is the inflatable heat insulation purpose of reaching anti-fire when meeting fire.
In the present embodiment, base-material is preferably density 160kg/m 3, foaming at normal temp cold curing high resilience skinning formula SPUA (TPU); 200 times of the preferred multiples of expansible graphite, the expansible graphite that initial temperature is 150 ℃. The preferred pre-polymerization method of foaming forming technique is implemented.The preferred organic-silicon-modified class of coating on the crashproof module of shell 4 surfaces, chemistry, physics complex intumescent water-reducible finish, coat thickness 1mm, fire resistance period 1 hour.
Since functional foaming body have soft high-elastic and the insulation characteristic, when multi-effect power module is clashed into and feed through to heat-insulating flame-retardant module 3, heat-insulating flame-retardant module 3 produces elastic deformation, balance out most of impulsive force with this, so heat-insulating flame-retardant module 3 has the effect of shock-absorbing crashworthiness.Owing to contain intumescent graphite in the functional foaming body, meeting behind the fire can foaming and intumescing, form the cellular or spongiform charing thermal insulation layer of even compact, the stepping of charing thermal insulation layer has completely cut off oxygen, and has an excellent heat insulation property because of its quality is loose, play fire-retardant efficiently anti-fire action, intumescent graphite has the radiation-safe effect simultaneously.Heat-insulating flame-retardant module 3 surfaces that formed by cold curing high resilience skinning formula SPUA are 100% hermetic type bubble structure, make that heat-insulating flame-retardant module 3 is inner to be isolated with external environment condition, therefore have the performance of good moistureproof and waterproof.Functional foaming body itself has good insulation and prevents the effect of electromagnetic radiation, has therefore more strengthened the utility function of multi-effect power module of the present invention.
In sum, the multi-effect power module of electric vehicle of the present invention has waterproof and dampproof, insulation, fire-retardant anti-fire, crashproof, the anti-acid and alkali corrosion of shock-absorbing and prevents multiple effect such as electromagnetic radiation.Therefore the present invention can solve several big outstanding problem that battery-driven car can't be evaded in the prior art simultaneously, has great advantage and dissemination.
Should be pointed out that the above specific embodiment can make those skilled in the art more fully understand the invention, but do not limit the present invention in any way creation.Therefore; although this specification sheets has been described in detail the invention with reference to drawings and Examples; but; those skilled in the art are to be understood that; still can make amendment or be equal to replacement the invention; in a word, all do not break away from the technical scheme and the improvement thereof of the spirit and scope of the invention, and it all should be encompassed in the middle of the protection domain of the invention patent.

Claims (15)

1. the multi-effect power module of an electric vehicle, it is characterized in that: it comprises power plant module, heat-insulating flame-retardant module and the crashproof module of shell; Described power plant module is arranged within the heat-insulating flame-retardant module; Described heat-insulating flame-retardant module is the imitated structure of integral sealing, is made of functional foaming body; The crashproof module of described shell is arranged at outside the described heat-insulating flame-retardant module, is used to strengthen the intensity of described power plant module.
2. power plant module as claimed in claim 1 is characterized in that: described heat-insulating flame-retardant module is the integrated formed structure in described power plant module is encapsulated in.
3. power plant module as claimed in claim 1 is characterized in that: between described power plant module and the heat-insulating flame-retardant module one deck housing is set.
4. as claim 1 or 2 or 3 described power plant modules, it is characterized in that: described heat-insulating flame-retardant module is divided into main body and loam cake.
5. power plant module as claimed in claim 4 is characterized in that: the seam of described main body and loam cake seals by hasp, strip of paper used for sealing or bonding mode.
6. as claim 1 or 2 or 3 described power plant modules, it is characterized in that: described functional foaming body is the elastic foam material of two pourable moulding of component, comprise base-material, expansion type flame retardant and intumescent graphite, its percentage by weight is respectively base-material: 200%, expansion type flame retardant: 30-50%, intumescent graphite: 5-10%.
7. power plant module as claimed in claim 6 is characterized in that: described base-material comprises phenolic modification and derivant, polyurethanes and derivant thereof, silicone and derivant thereof and epoxies and derivant thereof.
8. power plant module as claimed in claim 7 is characterized in that: described base-material is density 160kg/m 3The cold curing high resilience skinning formula SPUA of foaming at normal temp.
9. power plant module as claimed in claim 6 is characterized in that: the expansion multiple of described intumescent graphite is 80 times, 200 times or 400 times, and initial temperature is 150 degree or 200 degree.
10. power plant module as claimed in claim 9 is characterized in that: the expansion multiple of described intumescent graphite is 200 times, and initial temperature is 150 degree.
11. power plant module as claimed in claim 6 is characterized in that: the foaming mode of described functional foaming body is single stage method or polymerization in advance.
12. power plant module as claimed in claim 1 is characterized in that: the crashproof module table finishing coat of described shell is acrylic compounds, organic-silicon-modified class, epoxies and chemically expansible mineral-type.
13. power plant module as claimed in claim 12 is characterized in that: described coat thickness is 1mm.
14. as claim 1 or 12 or 13 described power plant modules, it is characterized in that: described coating is provided with the anti-soil finishing paint outward.
15. as claim 1 or 12 or 13 described power plant modules, it is characterized in that: the crashproof module of described shell is zincing steel sheet, aluminum alloy steel plate, stainless steel sheet, APS, PC or PP.
CN2010100006067A 2010-01-11 2010-01-11 Multi-effect power module for electric vehicle Expired - Fee Related CN101830181B (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102097645A (en) * 2010-12-21 2011-06-15 上海鼎研智能科技有限公司 Anti-explosion and antiflaming secondary battery
CN104284700A (en) * 2012-04-24 2015-01-14 维美德汽车公司 Battery pack with fire preventing agent
CN104681750A (en) * 2013-12-03 2015-06-03 罗伯特·博世有限公司 Protecting battery cell from breakdown
CN105895843A (en) * 2016-06-23 2016-08-24 广州益维电动汽车有限公司 Intelligent lithium ion battery module
CN106026262A (en) * 2016-06-23 2016-10-12 广州益维电动汽车有限公司 Lithium ion battery module safety protection system
CN107834632A (en) * 2017-11-09 2018-03-23 威艾能源(惠州)有限公司 A kind of battery bag

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87200584U (en) * 1987-01-24 1988-01-20 关桂林 Explosion-proof accumulator battery
CN1745438A (en) * 2003-01-04 2006-03-08 3M创新有限公司 A vehicle battery pack insulator
CN101546816A (en) * 2008-03-27 2009-09-30 原美科技股份有限公司 Explosion-proof and eakage-proof battery device and assembling method
CN101504986A (en) * 2009-03-02 2009-08-12 江苏伊思达电池有限公司 Fire and explosion proof type secondary batteries system having highly efficient cooling function

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102097645A (en) * 2010-12-21 2011-06-15 上海鼎研智能科技有限公司 Anti-explosion and antiflaming secondary battery
CN104284700A (en) * 2012-04-24 2015-01-14 维美德汽车公司 Battery pack with fire preventing agent
CN104681750A (en) * 2013-12-03 2015-06-03 罗伯特·博世有限公司 Protecting battery cell from breakdown
CN105895843A (en) * 2016-06-23 2016-08-24 广州益维电动汽车有限公司 Intelligent lithium ion battery module
CN106026262A (en) * 2016-06-23 2016-10-12 广州益维电动汽车有限公司 Lithium ion battery module safety protection system
CN107834632A (en) * 2017-11-09 2018-03-23 威艾能源(惠州)有限公司 A kind of battery bag

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